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Dependence of perpendicular magnetic anisotropy and hall resistivity on Pd-layer thickness in CoSiB/Pd multilayer

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Abstract

We investigated the perpendicular magnetic anisotropy and the Hall resistivity of CoSiB/Pd multilayers. The CoSiB/Pd multilayers consisted of CoSiB (7-Å thickness) and Pd (Pd thickness t Pd = 10, 12, 14, 16, 18, and 20 Å), and a CoSiB/Pd bilayer was stacked five times. The coercivity shows oscillating values between tPd = 12 Å and t Pd = 20 Å. The value of the saturation magnetization increased between t Pd = 10 Å and t Pd = 12 Å and then decreased after t Pd = 12 Å. The perpendicular magnetic anisotropy constant depended on the thickness of Pd-layer and the values repeatedly increased and decreased. All CoSiB/Pd multilayers exhibited a positive Hall effect, and the Hall resistivity was not proportional to the magnetic moment.

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Authors and Affiliations

  1. Department of Physics, Sookmyung Women’s University, Seoul, 140-742, Korea

    Sol Jung & Haein Yim

  2. Department of Advanced Materials Engineering, Sejong University, Seoul, 143-747, Korea

    Sung Yong Kim

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  1. Sol Jung
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  2. Haein Yim
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  3. Sung Yong Kim
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Correspondence to Haein Yim.

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Jung, S., Yim, H. & Kim, S.Y. Dependence of perpendicular magnetic anisotropy and hall resistivity on Pd-layer thickness in CoSiB/Pd multilayer. Journal of the Korean Physical Society 67, 547–550 (2015). https://doi.org/10.3938/jkps.67.547

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  • DOI: https://doi.org/10.3938/jkps.67.547

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